Hi If I want to add smptd helo_restrictions; how should I do it in the postfix main.cf? I would like something like this: smtpd_helo_required = yes smtpd_helo_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_hostname, reject_invalid_hostname, permit Is this OK with the virtual mailboxes and/or is there something else that should be added. Brian
Thank you Till, I now have the helo restrictions working. May I bug you once more to check the other ones for me? I think they are missing references to the virtual mail boxes except the client access. Could you advise me please, have I got this right or do I need to add some more references? smtpd_helo_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_non_fqdn_hostname, reject_invalid_hostname, permit smtpd_sender_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_non_fqdn_sender, reject_unknown_sender_domain, permit smtpd_recipient_restrictions = reject_unauth_pipelining, reject_non_fqdn_recipient, reject_unknown_recipient_domain, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_rbl_client cbl.abuseat.org, reject_rbl_client sbl-xbl.spamhaus.org, permit smtpd_client_restrictions = permit_mynetworks, permit_sasl_authenticated, check_client_access mysql:/etc/postfix/mysql-virtual_client.cf I appreciate your help and of course you patience. Brian
